package java0827;

import org.jcp.xml.dsig.internal.dom.DOMSubTreeData;

import java.io.File;

public class FileDemo1 {
    public static void main(String[] args) {
        //File file = new File("test");
        File file = new File("test/aaa/bbb");

        System.out.println(file.exists());
        //file.mkdir();
        file.mkdirs();
        System.out.println(file.exists());
        System.out.println(file.isDirectory());

    }
}
